短語詞組短語tripping connecting device 壓力計脫掛器mechanical tripping device 機械釋放裝置Automatic tripping device 自動跳牐裝置mechanical l tripping device 機械釋放裝置timing tripping device 定時跳牐裝置remote tripping device 遠方跳牐裝置Highspeed feed tripping device 快速落刀裝置overcurrent tripping device 過流跳脫裝置 返回 tripping device